44results about How to "Will not be deformed or damaged" patented technology

The invention relates to a manufacturing method of heat exchanger equipment, and discloses a manufacturing method of an aluminum plate-fin heat exchanger. The method comprises the steps of selecting full aluminum alloy material, preparing the parts of a heat exchanger, cleaning elements, assembling a heat exchanging core, vacuum brazing, assembling the complete heat exchanger, and the like. The manufacturing method has the advantages of compact and simple structure, good sealing performance, high temperature and high pressure resistance, low cost, small volume, light weight, low energy consumption, no easy deformation of the middle part of a heat radiating core and centralized stress of welding seam position between a sealing tape and a partition board. The rupture phenomena of the welding seam and the division plate are reduced, and the leakage rate of the heat exchanger in the use process is reduced.

The invention provides a waterpower hole packer. The waterpower hole packer comprises a front hole packer, one or more middle hole packers and a rear hole packer; the rear end of the front hole packer is connected in series with the front end of the middle hole packer; the front end of the rear hole packer is connected in series with the rear end of the middle hole packer; and the front hole packer, the middle hole packer and the rear hole packer have the same structure and comprise expansion capsules and central pipes. By the waterpower hole packer, high-pressure hole packing of rock holes can be realized; the waterpower hole packer has the characteristics of no axial force, high hole-packing pressure, large friction force, high safety and simple structure, and can be widely applied to mining industries such as the coal mine and the like.

The invention discloses a bra cushioning material by using thermoplastic rubber as the base, which is prepared from thermoplastic rubber, talcum powder, calcium carbonate or zinc oxide, petroleum series plasticizing agent, and amine antioxidants through the steps of mixing, thermal plasticizing, squeezing and granulating.

The invention discloses a drifting guide window which comprises drifting window sashes, wherein the drifting window sashes are arranged in a left-side window frame and a right-side window frame communicated with each other; guide rails are arranged at the upper and lower ends of the left-side window frame and the right-side window frame; the drifting guide window further comprises a supporting device, a left guide piece and a right guide piece; the supporting device is arranged at the upper end of the drifting window; the left guide piece is arranged at the lower end of the drifting window; and the right guide piece is in bilateral symmetry with the left guide piece. The drifting guide window provided by the invention is less in types of connecting pieces and simple in structure, the connecting pieces are difficult to deform and clamp, the window has a labor-saving effect and is convenient to close and stable to open, the connecting pieces are easy to manufacture and mount, the drifting window is low in production cost, the window can be opened to ventilate on rainy days, and the safety and the sealing performance are excellent.

The invention discloses a method for dismounting a decollation bolt, and refers to the technical field of repairing. The method for dismounting the decollation bolt comprises the following steps: forming an inner through hole at the center of a fractured bolt remained in a screw hole along the axial direction, wherein the diameter of the inner through hole is less than that of the thread root part of the fractured bolt; stretching a blade point of a triangular scrapper to the inner through hole, and driving the triangular scrapper body into the fractured bolt along the axial direction of the inner through hole, so that the edge of the triangular scrapper is embedded in the fractured bolt, wherein the outside diameter of the triangular scrapper body is more than the diameter of the inner through hole and less than the diameter of the threaded root part of the fractured bolt; clamping a handle of the triangular scrapper by a spanner, wrenching the spanner according to the turning-out direction of the fractured bolt, and driving the fractured bolt to screw out of the screw hole in the course of wrenching the triangular scrapper by the spanner. Compared with the prior art, the method for dismounting the decollation bolt can take out the decollation bolt without the deformation of the screw hole.

The invention discloses a pearl thermoplastic elastomeric bra lining material. The material comprises the following components: thermoplastic styrene-butadiene rubber, nontoxic rubber softening oil which is 10-15% of the thermoplastic styrene-butadiene rubber by weight, an antioxidant which is 1-5% of the thermoplastic styrene-butadiene rubber by weight, an anti-aging agent which is 3-5% of the thermoplastic styrene-butadiene rubber by weight, an anti-sticking agent which is 2-5% of the thermoplastic styrene-butadiene rubber by weight, germanium element which is 0.5-3% of the thermoplastic styrene-butadiene rubber by weight and pearl or pearl powder which is 0.5-2% of the thermoplastic styrene-butadiene rubber by weight. The invention also discloses a preparation method of the bra lining material. The bra lining material has the advantages of good elasticity resulting in hard distortion, excellent air permeability, easy sun drying and health-care function.

The invention relates to the field of automobile manufacturing, in particular to a tool clamp for automobile part machining. The tool clamp for automobile part machining comprises a workbench, a plurality of fixed plates are arranged on the upper side of the workbench, a plurality of bases are symmetrically arranged on the upper sides of the fixed plates, a connecting column is fixedly arranged between every two adjacent bases through a connecting rod, a first telescopic output piece is connected to the rear end of the connecting column, a first clamping mechanism is connected to the telescopic end of the first telescopic output piece, the first clamping mechanism comprises a fixed clamping plate, a sliding block is arranged on one side, away from the first telescopic output piece, of the fixed clamping plate, a plurality of sliding columns are further arranged on the upper side of the workbench, sliding groove capable of being in front-back sliding connection with sliding block in a matched mode is formed in the sliding columns, and a plurality of limiting frames are further symmetrically arranged on upper sides of sliding columns in a front-back mode. The tool clamp for automobile part machining is scientific in structure, fixing in all directions can be carried out on automobile parts, the fixing effect is good, and meanwhile time and labor are saved.

The invention discloses a special adjusting device of a crank balance weight of a beam-pumping unit. The adjusting device comprises a base and a lead screw arranged on the base. The base is connected into a T-shaped groove of a crank in a sliding mode through an inverted-T-shaped block. A wide U-shaped clamp head which can prevent the lead screw from moving up and down perpendicular to the base and from moving left and right parallel to the base is installed at the bearing end of the lead screw, a bayonet of the clamp head is clamped to a step at a fastening bolt of the balance weight of the beam-pumping unit in a matched mode, and one end of the clamp head stretches deep into the T-shaped groove of the crank. The lead screw is arranged on the base after being matched with a transmission steering mechanism mutually. The transmission steering mechanism comprises a cubic transmission case located in the middle of the base, a worm gear and a worm, wherein the worm gear and the worm are arranged inside the transmission case. Due to the adjusting device, balancing of the pumping unit can be performed on the ground instead of high above the ground, and thus the operation is easier and safer to perform. When the special adjusting device of the crank balance weight of the beam-pumping unit is used for adjusting balance, a crane is not needed to be in auxiliary cooperation with the adjusting device, and thus operation cost is saved. The special adjusting device of the crank balance weight of the beam-pumping unit is small in size and convenient to carry and use.

The invention discloses a steel strip clamping device. The steel strip clamping device comprises a lower base, a clamping block and a power block; the lower base is horizontally arranged; the clampingblock can move up and down to extrude the lower base; the power block can move left and right to provide power to the clamping block; a rectangular groove, upwards projected, is formed in the lower surface of the clamping block in a steel strip conveying direction; the upper surface of the clamping block and the lower surface of the power block are both inclined surface and tightly bonded; a guide column is vertically arranged on the lower base, and penetrates through the clamping block; and the power block is connected with a motion output end of a driving source. The steel strip clamping device can tightly clamp steel strips without damaging the steel strips, and is simple and compact in structure and small in size.

The invention provides a wind power blade support. The wind power blade support comprises a first supporting frame and a second supporting frame which are arranged front and back; the first supporting frame comprises two vertically-arranged lower support side columns, a lower support bottom longitudinal beam connected between the bottom ends of the two lower support side columns, and a lower support top longitudinal beam connected between the upper portions of the two lower support side columns; the structure of the second supporting frame is the same as that of the first supporting frame; a lower support top cross beam is connected between the upper portions of the lower support side columns of the first supporting frame and the second supporting frame; a lower support bottom cross beam is connected between the lower portions of the first supporting frame and the second supporting frame; and a blade root base comprises an arc base panel matched with the radian of the root of a wind powder blade, and a plurality of base vertical reinforcing plates supported below the base panel. The wind power blade support is firm in structural form, and the requirement for integrated use of storage, transportation and hoisting can be met.

The invention relates t o a groove-type locked floor comprising a plurality of same single floor plates. Each single floor plate comprises a fat upper surface, a fat lower surface, a first end and a second end; the upper surface is provided with a wear-resistant waterstop finish paint layer; each end extends between the upper surface and the lower surface; the first end is provided with a male tenon projecting down and a male rabbet adjacent to the male tenon; the second end is provided with a female tenon projecting up and a female rabbet adjacent to the female tenon; the first end is provided with a male groove above the male tenon; the second end is provided with a female groove above the female rabbet; the male groove of the first end and a female groove of the second end of an adjacent single floor plate form a receiving channel, and a lock block is fitted in the receiving channel. The groove-type locked floor is more convenient to mount and can be inserted and knocked with no need for certain angle. The groove-type locked floor is well waterproof, so that the floor rarely deforms or damages and the service life of the floor can be prolonged.

The invention relates to the technical field of building safety doors, and discloses a high-safety building safety door. The safety door comprises a safety door body; an inner cavity is formed in the safety door body; vertical reinforcing ribs are fixedly installed between the opposite sides of the top and the bottom in the inner cavity; a transverse reinforcing rib is fixedly installed between the opposite sides of the left side wall and the right side wall in the inner cavity; the inner cavity is filled with a sound insulation layer; and a digital peephole viewer is fixedly installed at the top of the middle of the front face of the safety door body. According to the high-safety building safety door and an installing structure thereof, an installing frame is arranged; and during installing, the safety door body is moved to the inner side of the installing frame, a first threaded groove and a first through groove are aligned, a first bolt is screwed in through the first through groove to be in threaded connection with the first threaded groove to be fastened, then a cover plate is closed, and a second bolt is screwed in through a second through groove to be in threaded connection with a second threaded groove to be fastened, so that the installation of the safety door body can be completed.

The invention relates to the technical field of hydraulic rubber hose production equipment, in particular to a rubber hose fixing rack capable of preventing a hydraulic rubber hose from being damagedand a hose winding device of the fixing rack. The technical problem that the portion, which is wound on the inner side of an existing fixing rack, of the hydraulic rubber hose is prone to deform and be damaged is solved. In order to solve the technical problem, the rubber hose fixing rack capable of preventing the hydraulic rubber hose from being damaged and the hose winding device of the fixing rack are provided by the invention. The fixing rack comprises a base; a fixing rod, two hydraulic telescopic columns and an arc-shaped positioning plate are fixedly connected to the top of the base from left to right; the tops of the two hydraulic telescopic columns are fixedly connected with each other through a square movable plate; and a rotary bearing device is disposed at the top of the squaremovable plate. By means of the rubber hose fixing rack capable of preventing the hydraulic rubber hose from being damaged and the hose winding device of the fixing rack, the hydraulic rubber hose canbe automatically wound on the outside of a supporting column according to pre-determined ideas of people, force exerted on the hydraulic rubber hose is decreased through supporting plates on the supporting column, and the effect that the hydraulic rubber hose does not deform and is not damaged is guaranteed.

The invention relates to the technical field of float glass production, in particular to an online four-open-plate device of a float glass production line, which comprises a melting furnace, an annealing furnace, a cutting device and a boxing device, the melting furnace is provided with a feed port, and the inner bottom of the melting furnace is provided with molten tin for a bottom lining; the lower portion of the inner side wall of the melting furnace is provided with a plurality of blocking flags used for adjusting flow and a poking wheel used for driving the glass liquid level to move, theupper portion of the inner side wall of the melting furnace is provided with a plurality of fire spraying openings, the inner top wall of the melting furnace is provided with a throwing-in water bagused for cold lumps, and a flow channel and a flashboard are arranged between the annealing furnace and the melting furnace, and a heating device is set corresponding to the flow channel. A conveyingbelt used for conveying the glass liquid level is arranged in the annealing furnace and driven by the conveying belt, a heating device is arranged on the inner side wall of the annealing furnace, a plurality of exhaust pipes are arranged on the inner top wall of the annealing furnace, one end of the conveying belt is correspondingly connected to the flow channel, and the other end of the conveyingbelt is correspondingly connected to the cutting device and the boxing device. By the adoption of the structural arrangement, various problems generated in the prior art are effectively solved.

The invention discloses a railway vehicle round top plate structure. The railway vehicle round top plate structure comprises a round top plate body, side round top plates and a round top plate connecting piece, first arc clamping blocks are symmetrically arranged on the inner side walls of the two ends of the round top plate body, first round top plate connecting protruding blocks are vertically and symmetrically arranged on the right side faces of the side round top plates, second round top plate connecting protruding blocks are vertically and symmetrically arranged on the left side of the round top plate connecting piece, and second arc clamping blocks are symmetrically arranged on the inner wall of the right end of the round top plate connecting piece. When the railway vehicle round topplate structure is used, the round top plate body, the side round top plates and the round top plate connecting piece are quickly combined and mounted into a whole through buckling connection of thefirst round arc clamping blocks arranged on one side of the round top plate body and the second round top plate connecting protruding blocks arranged on one side of the round top plate connecting piece, so that the round top plate structure can resist the impact of an external object, deformation and damage are avoided, the supporting stability of the round top plate is improved, and the service life of the round top plate is prolonged.

The invention discloses a bendable ventilation skirting line, a ventilation hole plug and an assembly. The bendable ventilation skirting line comprises a flexible skirting line body, a ventilation cavity is formed in the skirting line body in the extending direction of the skirting line body, and a plurality of ventilation holes are formed in the skirting line body; when the skirting line main body is heated, the shape of the skirting line main body can be bent; and after cooling, the shape of the skirting line main body is fixed. According to the bendable ventilation skirting line, the skirting line body made of a flexible material is adopted, the skirting line can be attached to the wall foot face or the edge of furniture, and the bending mode can be adjusted at any time according to needs; a heating wire is arranged on the skirting line body, so that the skirting line body can be uniformly heated conveniently, the whole skirting line body is in a bendable state, and part of the areaon the skirting line body cannot be deformed and damaged due to over-high temperature; and all the structures on the skirting line body are of fillet and semicircle structures, and the stress dispersion capacity is high.